Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Learn about Earth Day founder Gaylord Nelson (1916–2005) and how environmental disasters of his day inspired the creation of Earth Day in 1970. On December 7, 1972, Apollo 17 astronauts captured a now ...

Earth's day used to be five hours shorter, and it's predicted to continue lengthening over time. Once every 24 hours, Earth completes one rotation on its axis, marking one day on our planet.

Signs warn them how not to become a Death Valley victim. Aside from drinking water and avoiding hikes in the heat, visitors ...

With each passing year the Moon gets further away from the Earth and the average day length gets a tiny bit longer (Credit: Nicolas Economou/Getty Images) Billions of years ago the average Earth ...

Match-making two stars with the natural zing of Scarlett Johansson and Channing Tatum ought to be a breeze. It’s funny, then, ...

The summer solstice marks the longest day of the year in the Northern Hemisphere. This phenomenon results from the Earth's axial tilt ... Play the USA TODAY Daily Crossword Puzzle.

Vietnamese food typically represents five agents - fire, water, wood, metal and earth - in its flavor, color, senses and ...

The post was shared 18,000 times in less than two weeks. Gisela Winckler, a paleoceanographer at Columbia Lamont-Doherty Earth Observatory, told USA TODAY that evidence from sediments and ice core ...

When the core spins more slowly, the mantle speeds up. This shift makes Earth rotate faster, and the length of a day shortens. But such rotational shifts translate to mere thousandths of a second ...

World Earth Day is a celebration that takes place every year on the 22nd of April. The first World Earth day began in 1970. On this day, many people raise awareness of environmental issues and ...